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| // SPDX-License-Identifier: GPL-2.0
|
| #include <bpf.h>
|
| struct bpf_map SEC("maps") __bpf_stdout__ = {
| .type = BPF_MAP_TYPE_PERF_EVENT_ARRAY,
| .key_size = sizeof(int),
| .value_size = sizeof(u32),
| .max_entries = __NR_CPUS__,
| };
|
| static int (*perf_event_output)(void *, struct bpf_map *, int, void *, unsigned long) =
| (void *)BPF_FUNC_perf_event_output;
|
| #define puts(from) \
| ({ const int __len = sizeof(from); \
| char __from[__len] = from; \
| perf_event_output(args, &__bpf_stdout__, BPF_F_CURRENT_CPU, \
| &__from, __len & (sizeof(from) - 1)); })
|
|
